Add comments to exports.bzl
Add comments to exports.bzl

RELNOTES: None
PiperOrigin-RevId: 425580068

bazelbuild/bazel,bazelbuild/bazel,cushon/bazel,bazelbuild/bazel,ButterflyNetwork/bazel,katre/bazel,katre/bazel,cushon/bazel,cushon/bazel,ButterflyNetwork/bazel,cushon/bazel,cushon/bazel,ButterflyNetwork/bazel,cushon/bazel,bazelbuild/bazel,ButterflyNetwork/bazel,ButterflyNetwork/bazel,ButterflyNetwork/bazel,katre/bazel,katre/bazel,bazelbuild/bazel,katre/bazel,katre/bazel,bazelbuild/bazel